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09/10/2002 16:42 5720916 GEOANALYTICAL PAGE 05 <br /> GeoAnalytical Laboratories, Inc. <br /> 1405 Kansas Avenue Modesto, CA 95351 Phone (209) 572-0900 Pax (209)572-0916 <br /> CERTIFICATE OF ANALYSIS <br /> Report# N239.16 Date: 9/10/02 <br /> San Joaquin County Environmental Health Date Recd 8/27/02 <br /> 304 E Weber 3rd Floor Som, Date Started: 9/1/02 <br /> Stockton CA 95202 Date Completed-.9/5/02 <br /> Project: Date Sampled 8/26/02 <br /> Time: <br /> Sample ID: SC03-Replicate Sampler. Kasey Poley <br /> Lab ID: N308812 <br /> Aquatic Toxicity <br /> Test Type: 96 hr static acute Control 1 mg/L 10 mg/L 25 mg/L 50 moll- 52.5mg/L <br /> Dilution Water. Reconstitted DI Water I n I t I a I pH 7.6 7.5 7.5 7.4 7.5 7.6 <br /> Specks: Pimaphales Promelas 9/1/02 D.O. 8.6 8.7 8.7 8.6 8.8 9.0 <br /> Common Name: Fathead Minnow Temp,°C 20.7 20.6 20.5 20.5 20.6 20.7 <br /> Supplier: Thomas Fish Company <br /> Dilution volume: 20,000 ml 24 Mrs. PH 7.4 7.5 7.5 7.5 7.7 7.5 <br /> #Fish per Dilution-20 9/2/02 D.O. 8.2 8.2 8.4 8.1 8.5 8.8 <br /> Dead in Acclimation Tank: <1 s5 Temp.°C 20.4 20.5 20.5 20.6 20.5 20-4 <br /> Average Length: 37 mm Mortalities 0 6 10 10 10 10 <br /> Average Weight: 0.44 g 48 Mrs. pH 7.5 7.4 7.5 7.5 7.6 7.6 <br /> 9/3/02 RD. 8.0 8.2 8.3 7.9 8.0 8.1 <br /> Temp°C 19.3 19.4 19.3 19.3 1916 19.4 <br /> Mortalities 0 3 0 0 0 0 <br /> Initial Control Hardness 44 72 Mrs. pH 7.4 7.4 7.6 7.5 7.8 T5 <br /> Final Control Hardness 44 9/41D2 D.O. 7.6 8.1 8.0 7.6 7.9 7.8 <br /> Temp.°C 19.8 19.7 19.8 19.8 19.6 1916 <br /> Mortalities 0 0 0 0 0 0 <br /> 96 Mrs. PH 7.4 7.4 7.5 7.4 7.8 7.5 <br /> 915/02 D.O. 7.6 7.5 8.0 7.7 7.1 7.5 <br /> Tamp.°C 20.4 20.3 20.3 20.2 20.2 20.3 <br /> Mortalities 0 1 0 0 0 0 <br /> Total Mortalities 0 10 10 10 10 10 <br /> Notes <br /> o <br /> nrh � cok h �Donna K-�ellLe`r� <br /> Supervisor Certification # 1157 Laboratory Director <br />